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U017E00 — Reversible belt tensioner, front left - no communication

Reversible belt tensioner, front left - no communication. The Taycan, 911 (992), Panamera (971), Panamera (972) and Cayenne report this code; below is which control unit sets it on each model and how to read and clear it.

Which models and control units set U017E00

Porsche Taycan

Porsche 911 (992)

Porsche Panamera (971, 2017–2023)

Porsche Panamera (972, 2024–)

Porsche Cayenne (9YA)

How to read and clear U017E00

  1. Plug a standard ENET (Ethernet-to-OBD) cable into your Porsche's OBD port and your Mac or Windows PC.
  2. Open STEUER14, pick your car and run a fault scan: every control unit is read, and U017E00 shows with its status, its full description and the freeze frame when the unit stores one.
  3. Fix the cause first, then clear the fault memory and scan again to check it stays away. Reading and clearing fault codes is free on every control unit.

More about fault memory in the manual →

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Other codes of the Airbag

C115F29Longitudinal acceleration high channel, Implausible signal
C116029Lateral acceleration combination sensor - signal implausible
C116129Combination sensor for acceleration - signal implausible
C116229Combination sensor for acceleration - signal implausible
U008100Vehicle Communication Bus F Performance
U008A00Vehicle Communication Bus G Performance
U017F00Reversible belt tensioner, front right - no communication
U101100Supply voltage – too low
U101200Supply voltage – too high
U101300Coding
U103100FlexRay data bus, No synchronization
U103200FlexRay data bus, Initialization failed

All 723 codes of this control unit →

Fault names come from the manufacturer's diagnostic data. STEUER14 is independent and not affiliated with Porsche AG. A code tells you what a control unit detected, not always which part failed — check wiring, supply voltage and related codes before replacing parts. STEUER14 shows each fault's full description, status and freeze frame on the car.